/* ============================================================
   CAAT Navigation — Component CSS (Mega Menu + Footer + Mobile)
   AEM client library: caat/components/navigation/clientlibs/css
   Depends on: tokens.css, Bootstrap 5.3
   ============================================================ */

/* ── Desktop Navbar Shell ──────────────────────────────────── */
.caat-navbar {
  background: var(--caat-color-bg-page);
  border-bottom: 1px solid var(--caat-color-border);
  box-shadow: var(--caat-shadow-sm);
  padding: 0;
  font-family: var(--caat-font-primary);
  position: relative;
  z-index: 1030;
}

/* Utility row */
.caat-navbar .utility-bar {
  background: var(--caat-color-bg-brand);
  padding: .4rem 0;
  font-size: var(--caat-font-size-2xs);
}
.caat-navbar .utility-bar .container {
  justify-content: flex-end;
  flex-wrap: wrap;
}
.caat-navbar .utility-bar a {
  color: var(--caat-color-text-inverse-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color .15s;
}
.caat-navbar .utility-bar a:hover,
.caat-navbar .utility-bar a:focus {
  color: var(--caat-color-text-inverse);
  text-decoration: underline;
  text-underline-offset: .2rem;
}
.caat-navbar .utility-bar .lang-switch {
  font-weight: 700;
  border-left: 1px solid var(--caat-color-border-inverse);
  padding-left: .75rem;
  margin-left: .5rem;
}

/* Main nav row */
.caat-navbar .navbar-main {
  padding: .75rem 0;
}
.caat-navbar .navbar-main .navbar-collapse {
  flex-wrap: nowrap;
}
.caat-navbar .navbar-main .navbar-nav {
  flex-wrap: nowrap;
}
.caat-navbar .navbar-main .navbar-nav .nav-item.dropdown {
  display: inline-flex;
  align-items: stretch;
}
.caat-navbar .navbar-main .navbar-nav .nav-link-group {
  display: inline-flex;
  align-items: stretch;
}
.caat-navbar .navbar-main .navbar-nav .nav-link-group > .nav-link {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}
.caat-navbar .navbar-main .navbar-nav .nav-link-toggle {
  width: 2.25rem;
  min-width: 2.25rem;
  padding-left: .35rem;
  padding-right: .35rem;
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  margin-left: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.caat-navbar .navbar-main .navbar-nav .nav-link-toggle::after {
  margin-left: 0;
}
.caat-navbar .navbar-brand img {
  height: 4rem;
  width: auto;
}

/* ── Navigation Items (L1) ─────────────────────────────────── */
.caat-navbar .navbar-nav .nav-link {
  color: var(--caat-color-text);
  font-weight: 600;
  font-size: var(--caat-font-size-xs);
  padding: .6rem 1rem;
  border-radius: .35rem;
  transition: background .15s, color .15s;
  white-space: nowrap;
}
.caat-navbar .navbar-nav .nav-link:hover,
.caat-navbar .navbar-nav .nav-link:focus,
.caat-navbar .navbar-nav .nav-link.is-hover,
.caat-navbar .navbar-nav .nav-link.is-focus {
  color: var(--caat-color-text-heading);
  background: var(--caat-blue-50, rgba(0,92,153,.05));
}
.caat-navbar .navbar-nav .nav-link.active {
  color: var(--caat-color-text-heading);
  background: var(--caat-color-bg-brand-subtle);
}

/* Dropdown caret override */
.caat-navbar .navbar-nav .dropdown-toggle::after {
  border: 0;
  content: '';
  display: inline-block;
  width: .4rem;
  height: .4rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-left: .4rem;
  vertical-align: .12em;
  transition: transform .2s ease;
}
.caat-navbar .navbar-nav .dropdown.show .dropdown-toggle::after {
  transform: rotate(-135deg);
}

/* ── Mega Menu Panel (L2–L4) ───────────────────────────────── */
.caat-navbar .mega-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1040;
  border: 0;
  border-top: 3px solid var(--caat-blue-900);
  border-radius: 0 0 .75rem .75rem;
  box-shadow: var(--caat-shadow);
  padding: 2rem 0;
  margin-top: 0;
  background: var(--caat-color-bg-page);
  animation: megaSlideDown .2s ease forwards;
}
@keyframes megaSlideDown {
  from { opacity: 0; transform: translateY(-.5rem); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Mega menu grid columns — UP TO 4 (authoring rule, Navigation
   contract §4): auto-fit lays out 1–4 groups; the max-width cap
   stops a sparse menu from stretching columns absurdly wide, and
   authoring validation rejects a 5th group. Depth inside a column
   is L2 group title + L2/L3 links — NEVER L4 (L4 lives in the
   Side Navigation component and the mobile drill-down). */
.caat-navbar .mega-menu .mega-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: 2rem;
}

/* L2 — Column header: a LINK to the L2 landing page (clickable by rule) */
.caat-navbar .mega-menu .mega-category-title {
  font-size: var(--caat-font-size-2xs);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--caat-color-text-heading);
  text-decoration: none;
  margin-bottom: .75rem;
  padding-bottom: .5rem;
  border-bottom: 2px solid var(--caat-lime, #95e35c);
  display: flex;
  align-items: center;
  gap: .4rem;
}
.caat-navbar .mega-menu a.mega-category-title:hover {
  color: var(--caat-color-text-link-hover);
  border-bottom-color: var(--caat-color-action-secondary);
}
.caat-navbar .mega-menu a.mega-category-title:focus-visible {
  outline: 0;
  box-shadow: var(--caat-color-focus-ring);
  border-radius: var(--caat-radius-sm);
}
.caat-navbar .mega-menu .mega-category-title i {
  font-size: var(--caat-font-size-xs);
}

/* L3 — Link list */
.caat-navbar .mega-menu .mega-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: .1rem;
}
.caat-navbar .mega-menu .mega-links a {
  display: block;
  padding: .45rem .65rem;
  color: var(--caat-color-text);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--caat-font-size-xs);
  border-radius: .35rem;
  transition: background .12s, color .12s, padding-left .15s;
}
.caat-navbar .mega-menu .mega-links a:hover,
.caat-navbar .mega-menu .mega-links a:focus {
  background: var(--caat-blue-50, rgba(0,92,153,.05));
  color: var(--caat-color-text-heading);
  padding-left: 1rem;
}
/* Link descriptions and L4 sub-lists were removed by rule: L3 links
   render labels only, and L4 never appears in the mega menu. */

/* Mega menu featured / promo card */
.caat-navbar .mega-promo {
  background: linear-gradient(135deg, var(--caat-blue-50, rgba(0,92,153,.05)) 0%, var(--caat-blue-100) 100%);
  border-radius: .75rem;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.caat-navbar .mega-promo-title {
  font-weight: 800;
  font-size: var(--caat-font-size-sm);
  color: var(--caat-color-text-heading);
}
.caat-navbar .mega-promo-text {
  font-size: var(--caat-font-size-xs);
  color: var(--caat-color-text);
  line-height: 1.5;
}
.caat-navbar .mega-promo .btn {
  align-self: flex-start;
  margin-top: .5rem;
}

/* ── Right-side actions (search + portal login dropdown) ───── */
.caat-navbar .nav-actions {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.caat-navbar .nav-search-input {
  width: 11rem;
  border: 1px solid var(--caat-color-border);
  border-radius: 2rem;
  padding: .45rem 2.2rem .45rem .9rem;
  font-size: var(--caat-font-size-xs);
  transition: width .2s ease, border-color .15s;
}
.caat-navbar .nav-search-input:focus {
  width: 14rem;
  border-color: var(--caat-color-text-heading);
  outline: 0;
  box-shadow: var(--caat-color-focus-ring);
}
.caat-navbar .nav-search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.caat-navbar .nav-search-wrap .bi-search {
  position: absolute;
  right: .75rem;
  color: var(--caat-color-text-muted);
  pointer-events: none;
  font-size: var(--caat-font-size-xs);
}
.caat-navbar .nav-login {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  color: var(--caat-color-text);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--caat-font-size-xs);
  padding: .45rem .65rem;
  border-radius: .35rem;
  transition: background .15s;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.caat-navbar .nav-login:hover {
  background: var(--caat-color-bg-muted);
  color: var(--caat-color-text-heading);
}
.caat-navbar .nav-login:focus-visible {
  outline: 0;
  box-shadow: var(--caat-color-focus-ring);
}
/* ── Footer ────────────────────────────────────────────────────
   The site footer is now its own component — see footer.css /
   /components/footer.html. It is no longer part of Navigation. */

/* ── Mobile Menu Demo (topbar + panel shell; list = drill-down) ───────────────────────────────── */
.caat-mobile-nav-demo {
  border: 1px solid var(--caat-color-border); border-radius: var(--caat-radius-lg);
  background: var(--caat-color-bg-page); box-shadow: var(--caat-shadow-sm); overflow: hidden;
}
.caat-mobile-topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 1rem; border-bottom: 1px solid var(--caat-color-border);
}
.caat-mobile-topbar img { height: 3.125rem; width: auto; }
.caat-menu-button {
  border: 1px solid var(--caat-blue-900); background: var(--caat-color-bg-page);
  color: var(--caat-color-text-heading); border-radius: .5rem;
  padding: .55rem .75rem; font-weight: 800;
  display: inline-flex; gap: .45rem; align-items: center;
}
.caat-mobile-panel {
  padding: 1rem; background: linear-gradient(180deg, #fff 0%, var(--caat-blue-100) 100%);
  display: none;
}
.caat-mobile-panel.open { display: block; }
.caat-mobile-search { position: relative; margin-bottom: 1rem; }
.caat-mobile-search .form-control { padding-right: 2.75rem; }
.caat-mobile-search i {
  position: absolute; right: 1rem; top: 50%;
  transform: translateY(-50%); color: var(--caat-color-text-heading);
}
.caat-mobile-utility {
  display: flex; flex-wrap: wrap; gap: .75rem;
  margin: 1rem 0 0; padding-top: 1rem; border-top: 1px solid var(--caat-color-border);
}
.caat-mobile-utility a { font-size: var(--caat-font-size-xs); text-decoration: none; color: var(--caat-color-text); }
.caat-mobile-actions { display: grid; gap: .75rem; margin-top: 1rem; }
.caat-mobile-actions .btn,
.caat-mobile-actions .caat-dropdown,
.caat-mobile-actions .caat-button { width: 100%; }
.caat-mobile-actions .dropdown-menu {
  position: static !important;
  transform: none !important;
  margin-top: var(--caat-space-2);
}

/* ── Offcanvas (new mega menu mobile) ──────────────────────── */
.caat-navbar .offcanvas {
  max-width: 85vw;
  width: 22rem;
}
.caat-navbar .offcanvas-header {
  border-bottom: 1px solid var(--caat-color-border);
  padding: 1rem 1.25rem;
}
.caat-navbar .offcanvas-header img {
  height: 3.5rem;
  width: auto;
}
.caat-navbar .offcanvas-body {
  padding: 1rem 1.25rem;
}

/* Mobile sub-navigation is the drill-down (.caat-drillnav, below);
   the old offcanvas accordion styles were removed. */

.caat-navbar .mobile-nav-links {
  list-style: none;
  padding: .75rem 0 0;
  margin: .75rem 0 0;
  border-top: 1px solid var(--caat-color-border);
}
.caat-navbar .mobile-nav-links a {
  display: block;
  padding: .55rem .25rem;
  color: var(--caat-color-text-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--caat-font-size-xs);
  border-bottom: 1px solid var(--caat-color-border);
}
.caat-navbar .mobile-nav-links a:hover {
  color: var(--caat-color-text-heading);
}

/* Mobile action area */
.caat-navbar .mobile-nav-cta,
.caat-navbar .mobile-nav-actions {
  padding-top: 1.25rem;
  margin-top: .75rem;
  border-top: 1px solid var(--caat-color-border);
  display: grid;
  gap: .75rem;
}
.caat-navbar .mobile-nav-actions .caat-dropdown,
.caat-navbar .mobile-nav-actions .caat-button { width: 100%; }
.caat-navbar .mobile-nav-actions .dropdown-menu {
  position: static !important;
  transform: none !important;
  margin-top: var(--caat-space-2);
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 991.98px) {
  .caat-navbar .mega-menu { display: none !important; }
}
@media (min-width: 992px) {
  .caat-navbar .navbar-nav .dropdown { position: static; }
}

/* ── Mobile drill-down menu (offcanvas) ───────────────────────
   One panel per node with children; drill forward to L4, Back
   returns one level. Behaviour: navigation.js. Panels toggle via
   the `hidden` attribute; these classes only animate the swap.
   Reduced motion is neutralized globally (caat-base.css). */
.caat-drillnav { overflow-x: hidden; }

.caat-drillnav__panel--fwd  { animation: caat-drill-fwd  var(--caat-duration-base) var(--caat-ease-standard); }
.caat-drillnav__panel--back { animation: caat-drill-back var(--caat-duration-base) var(--caat-ease-standard); }
@keyframes caat-drill-fwd  { from { opacity: 0; transform: translateX(1.5rem); }  to { opacity: 1; transform: translateX(0); } }
@keyframes caat-drill-back { from { opacity: 0; transform: translateX(-1.5rem); } to { opacity: 1; transform: translateX(0); } }

.caat-drillnav__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.caat-drillnav__list > li + li { border-top: var(--caat-border-1) solid var(--caat-color-border); }

/* Shared row treatment: plain links and drill triggers look alike */
.caat-drillnav__link,
.caat-drillnav__next {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: var(--caat-space-2);
  padding: var(--caat-space-3) var(--caat-space-2);
  min-height: 2.75rem;                 /* ≥ 44px touch target */
  background: none;
  border: 0;
  text-align: left;
  font-size: var(--caat-font-size-sm);
  font-weight: var(--caat-weight-semibold);
  color: var(--caat-color-text);
  text-decoration: none;
  cursor: pointer;
}
.caat-drillnav__link:hover,
.caat-drillnav__next:hover {
  background: var(--caat-color-state-hover-bg);
  color: var(--caat-color-text-heading);
}
.caat-drillnav__link:focus-visible,
.caat-drillnav__next:focus-visible,
.caat-drillnav__back:focus-visible,
.caat-drillnav__overview:focus-visible {
  outline: 0;
  box-shadow: var(--caat-color-focus-ring-inset);
}
.caat-drillnav__link[aria-current="page"] {
  color: var(--caat-color-text-heading);
  font-weight: var(--caat-weight-bold);
  background: var(--caat-color-bg-brand-subtle);
}
.caat-drillnav__next .bi { color: var(--caat-color-text-muted); }

/* Back — first control of every sub-panel */
.caat-drillnav__back {
  display: flex;
  align-items: center;
  gap: var(--caat-space-2);
  width: 100%;
  padding: var(--caat-space-3) var(--caat-space-2);
  min-height: 2.75rem;
  background: none;
  border: 0;
  border-bottom: var(--caat-border-1) solid var(--caat-color-border);
  text-align: left;
  font-size: var(--caat-font-size-xs);
  font-weight: var(--caat-weight-semibold);
  color: var(--caat-color-text-link);
  cursor: pointer;
}
.caat-drillnav__back:hover { background: var(--caat-color-state-hover-bg); }

/* Section overview link — lets users open the landing page of the
   level they drilled into (the drill trigger itself never navigates) */
.caat-drillnav__overview {
  display: block;
  padding: var(--caat-space-3) var(--caat-space-2);
  font-size: var(--caat-font-size-md);
  font-weight: var(--caat-weight-extrabold);
  color: var(--caat-color-text-heading);
  text-decoration: none;
  border-bottom: var(--caat-border-2) solid var(--caat-color-border);
}
.caat-drillnav__overview:hover { color: var(--caat-color-text-link-hover); }